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lvglgdb
lvglgdb is a GDB script for LVGL.
Installation
pip install lvglgdb
Simple Usage
In your GDB session, run:
py import lvglgdb
dump obj
dump display -f png
dump cache image
dump cache image_header
check cache image
dump anim
dump timer
dump indev
dump group
dump image_decoder
dump fs_drv
dump draw_task <layer_expr>
# Inspect a single lv_style_t variable
info style my_style
# Inspect all styles of an lv_obj_t
info style --obj my_obj
# Show draw unit information
info draw_unit
# Show object class hierarchy
info obj_class obj->class_p
# Show subject and its observers
info subject &my_subject
Structure
graph TD
lvgl["lvgl<br/>(mem→python object)"]
gdb_cmds["gdb_cmds<br/>(gdb commands)"]
lvglgdb["lvglgdb"]
lvglgdb --> lvgl
lvglgdb --> gdb_cmds
gdb_cmds --> lvgl
classDef pkg fill:white,stroke:gray
classDef core fill:white,stroke:gray
class lvglgdb,lvgl,gdb_cmds pkg